<?php
	/**
	* This file is also required by /admin/reports/stats/index.php.
	*/
	
   
	require_once($CFG->dirroot.'/lib/statslib.php');


	function report_stats_mode_menu($course, $mode, $time, $url) {
		global $CFG;
		/*		
		$reportoptions = stats_get_report_options($course->id, $mode);
		$timeoptions = report_stats_timeoptions($mode);
		if (empty($timeoptions)) {
			print_error('nostatstodisplay', '', $CFG->wwwroot.'/course/view.php?id='.$course->id);
		}
		*/

		$options = array();
		$options[STATS_MODE_GENERAL] = get_string('statsmodegeneral');
		$options[STATS_MODE_DETAILED] = get_string('statsmodedetailed');
		if (has_capability('coursereport/stats:view', get_context_instance(CONTEXT_SYSTEM))) {
			$options[STATS_MODE_RANKED] = get_string('reports');
		}
		
		return popup_form($url."?course=$course->id&amp;time=$time&amp;mode=", $options, 'switchmode', $mode, '', '', '', true);
	}


	function report_stats_timeoptions($mode) {
		global $CFG;
		
		$tableprefix = $CFG->prefix.'stats_';

		if ($mode == STATS_MODE_DETAILED) {
			$tableprefix = $CFG->prefix.'stats_user_';
		}

		$earliestday = get_field_sql('SELECT timeend FROM '.$tableprefix.'daily ORDER BY timeend');
		$earliestweek = get_field_sql('SELECT timeend FROM '.$tableprefix.'weekly ORDER BY timeend');
		$earliestmonth = get_field_sql('SELECT timeend FROM '.$tableprefix.'monthly ORDER BY timeend');

		if (empty($earliestday)) $earliestday = time();
		if (empty($earliestweek)) $earliestweek = time();
		if (empty($earliestmonth)) $earliestmonth = time();

		$now = stats_get_base_daily();
		$lastweekend = stats_get_base_weekly();
		$lastmonthend = stats_get_base_monthly();

		return stats_get_time_options($now,$lastweekend,$lastmonthend,$earliestday,$earliestweek,$earliestmonth);
	}


?>
